The January 2025 issue of the Glass and Ceramics magazine has been published

Dear colleagues!

Victor Osipov, President of the Association "StekloSouz" of Russia, is a member of the editorial board of the Glass and Ceramics magazine.

We inform you that the first issue of the monthly scientific and technical magazine Glass and Ceramics for 2025 has been published.

Contents of the January issue:

- ASSESSMENT OF THE INFLUENCE OF LITHIUM CHLORIDE ON THE PROPERTIES OF BOROPHOSPHATE GLASS IN IMMOBILIZATION OF RADIOACTIVE WASTE FROM PYROCHEMICAL REPROCESSING OF Spent Nuclear Fuel

The article presents the results of studies of a matrix based on borophosphate glass (BPS) with the addition of lithium chloride as a simulant of spent electrolyte - a type of radioactive waste (RAW) generated during the pyrochemical reprocessing of spent nuclear fuel (SNF). Based on the results of X-ray phase analysis (XRD) and scanning electron microscopy (SEM), an assessment of the phase composition and microstructure of the glasses was carried out - the amorphous structure and homogeneity of the obtained material were confirmed. Using differential scanning calorimetry (DSC) and thermal diffusivity measurements, the thermophysical properties of the material were described. It is shown that the inclusion of LiCl does not significantly affect the glass transition temperature, which is ~410 ?C for the obtained glasses. However, the addition of lithium chloride affects the electrically conductive properties studied by electrochemical impedance spectroscopy. Mechanical strength and hydrolytic stability tests were carried out in accordance with the established requirements for matrices for the immobilization of radioactive waste. When studying the morphology of the surface in contact with water, the formation of a diffusion layer is observed as a result of the transition of sodium ions into the solution. The studies confirm the possibility of using glasses of the selected composition as a matrix for the immobilization of spent lithium chloride-based electrolyte.